That is THREE MODES: Believe it or not, this is the first generation of RGB three-mode wireless keyboards on the market. Wireless mode with stable bluetooth 5.0, hassle-free 2.4Ghz dongle plus USB-C wired mode set no limits about your keyboard connection. 84 Keys, Redefine TKL: The innovative 75% unique layout differs from traditional TKL keyboards, which cuts more clumsy space off while supporting the same functionality as practical arrow, multimedia and control keys. Hot-swappable Quiet Red: Hot-swap PCB allows you to replace 3 pins/5 pins switches freely without soldering issue. Enjoy the fun of making your own unique keyboard. Red switch features a quiet and linear typing experience. The soft, top-to-bottom feedback offers easier and smoother use than other tactile switches. Perfect for people who work in an open office and stay up gamers. Hub Design & Big Mac - This keyboard is armed with 2 built-in USB pass-through ports and 1 Type-C Port, allowing to back up more facilitie